19026320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 27845680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 139, 145, 232, 236, 278, 290, 295, 464, 472, 556, 580, 590, 695, 944, 1112, 1160, 1180, 1390, 1711, 2224, 2320, 2360, 2780, 3422, 4031, 4720, 5560, 6844, 8062, 8201, 8555, 11120, 13688, 16124, 16402, 17110, 20155, 27376, 32248, 32804, 34220, 40310, 41005, 64496, 65608, 68440, 80620, 82010, 131216, 136880, 161240, 164020, 237829, 322480, 328040, 475658, 656080, 951316, 1189145, 1902632, 2378290, 3805264, 4756580, 9513160, 19026320]

約数ペア:

[(1, 19026320), (2, 9513160), (4, 4756580), (5, 3805264), (8, 2378290), (10, 1902632), (16, 1189145), (20, 951316), (29, 656080), (40, 475658), (58, 328040), (59, 322480), (80, 237829), (116, 164020), (118, 161240), (139, 136880), (145, 131216), (232, 82010), (236, 80620), (278, 68440), (290, 65608), (295, 64496), (464, 41005), (472, 40310), (556, 34220), (580, 32804), (590, 32248), (695, 27376), (944, 20155), (1112, 17110), (1160, 16402), (1180, 16124), (1390, 13688), (1711, 11120), (2224, 8555), (2320, 8201), (2360, 8062), (2780, 6844), (3422, 5560), (4031, 4720)]